Question

Statement A : On moving down the group electronegativity decreases.
Statement B: Cs has least electronegativity
Statement C: Cl has more electronegativity than F.
a) All the statements are correct
b) All the statements are incorrect
c) A, B are correct and C is incorrect
d) A, B are incorrect and C is correct​

Answer 1

Answer:

OPTION B IS CORRECT

Explanation:

ON MOVING DOWN THE GROUP THE NO. OF ORBITS INCREASES BUT THE VALENCY REMAINS SAME.

CASEIUM IS A HIGHLY REACTIVE ELECTRO POSITIVE ELEMENT

VALENCY OF CHLORINE AND FLOURINE IS SAME